Waterway Mini Storm jet barrel SNAP IN STYLE diffuser - this is the white wine glass shaped plastic rear on the jet that often perishes with chemical abuse / mis-use - usually through the use of BROMINE - Do NOT use Bromine tablets at all, to extend the life of your spa components.
It also has the locating lugs attached, which hold the jet barrel in the jet body. These lugs sometimes break off, requiring a replacement diffuser or jet barrel.
Suits all jet barrels in the mini storm snap-in range except Storm II.
Does NOT suit Thread In Style jets